CVE-2025-11120 Tenda AC8 SetServerConfig formSetServerConfig buffer overflow
Remote attackers can trigger a buffer overflow in the Tenda AC8 router's SetServerConfig function, potentially leading to code execution or service disruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11120?
CVE-2025-11120 is a high-severity memory corruption vulnerability in Tenda Ac18 Firmware, published on 28 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Tenda AC8 16.03.34.06. The affected element is the function formSetServerConfig of the file /goform/SetServerConfig. Executing manipulation can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited.
Which versions are affected by CVE-2025-11120?
It affects 1 product.
Products include Tenda Ac18 Firmware.
How do I fix CVE-2025-11120?
No fix has been published for CVE-2025-11120 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-11120 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11120 exists.
Other vulnerabilities in Tenda Ac18 Firmware
Sources
Also known as GHSA-62cc-6mpf-6rxc.